kali操作系统不能通过ctrl+shift+t打开终端，这是一个与我之前用过的Ubuntu操作系统的不同的地方
不过可以通过鼠标右键打开终端
废话少说，进入正题
首先打开控制下载源的文件
在终端中输入leafpad /etc/apt/sources.list（在root权限下）
下载源：
#中科大
deb http://mirrors.ustc.edu.cn/kali kali-rolling main non-free contrib
deb-src http://mirrors.ustc.edu.cn/kali kali-rolling main non-free contrib
#阿里云
deb http://mirrors.aliyun.com/kali kali-rolling main non-free contrib
deb-src http://mirrors.aliyun.com/kali kali-rolling main non-free contrib
#清华大学
deb http://mirrors.tuna.tsinghua.edu.cn/kali kali-rolling main contrib non-free
deb-src https://mirrors.tuna.tsinghua.edu.cn/kali kali-rolling main contrib non-free
#浙大
deb http://mirrors.zju.edu.cn/kali kali-rolling main contrib non-free
deb-src http://mirrors.zju.edu.cn/kali kali-rolling main contrib non-free
#东软大学
deb http://mirrors.neusoft.edu.cn/kali kali-rolling/main non-free contrib
deb-src http://mirrors.neusoft.edu.cn/kali kali-rolling/main non-free contrib
#官方源
deb http://http.kali.org/kali kali-rolling main non-free contrib
deb-src http://http.kali.org/kali kali-rolling main non-free contrib
随便选一个覆盖原来的文件就好，这里我用的是阿里的下载源
apt-get update
ape-get upgrade
apt-get dist-upgrade
apt-get clean